AT (AT) has the following price history information. Looking back at AT historical stock prices for the last five trading days, on May 10, 2021, AT opened at $3.02, traded as high as $3.03 and as low as $3.02, and closed at $3.02. Trading volume was a total of 1.15M shares. On May 11, 2021, AT opened at $3.02, traded as high as $3.03 and as low as $3.02, and closed at $3.03. Trading volume was a total of 792.60K shares. On May 12, 2021, AT opened at $3.02, traded as high as $3.03 and as low as $3.02, and closed at $3.02. Trading volume was a total of 338.40K shares. On May 13, 2021, AT opened at $3.02, traded as high as $3.03 and as low as $3.02, and closed at $3.02. Trading volume was a total of 891.40K shares. On May 14, 2021, AT opened at $3.03, traded as high as $3.03 and as low as $3.02, and closed at $3.02. Trading volume was a total of 919.00K shares.

AT Historical Stock Prices By Date:

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 20142015201620172018201920202021202220232024

Below, we examine the compound annual growth rate — CAGR for short — of an investment into AT shares, starting with a $10,000 purchase of AT, and working forward through the historical stock price information to today.

Growth of $10,000.00 With Dividends Reinvested
Start date:	12/15/2014
End date:	05/14/2021
Start price/share:	$2.38
End price/share:	$3.02
Starting shares:	4,201.68
Ending shares:	4,362.51
Dividends reinvested/share:	$0.09
Total return:	31.75%
Average Annual Total Return:	4.39%
Starting investment:	$10,000.00
Ending investment:	$13,172.63
Years:	6.41
Growth of $10,000.00 Without Dividends Reinvested
Start date:	12/15/2014
End date:	05/14/2021
Start price/share:	$2.38
End price/share:	$3.02
Dividends collected/share:	$0.09
Total return:	30.84%
Average Annual Total Return:	4.28%
Starting investment:	$10,000.00
Ending investment:	$13,083.86
Years:	6.41

AT Historical Price Range
Date	Open	High	Low	Close	Volume
05/10/2021	$3.02	$3.03	$3.02	$3.02	1.15M
05/11/2021	$3.02	$3.03	$3.02	$3.03	792.60K
05/12/2021	$3.02	$3.03	$3.02	$3.02	338.40K
05/13/2021	$3.02	$3.03	$3.02	$3.02	891.40K
05/14/2021	$3.03	$3.03	$3.02	$3.02	919.00K

About AT

Atlantic Power is a holding company. Through its subsidiaries, Co. is an independent power producer that owns power generation assets in the U.S. and Canada. Co.'s power generation projects sell electricity to utilities and other customers under long-term power purchase agreements (PPAs). Co. sells the majority of the capacity and energy from its power generation projects under PPAs to a variety of utilities and other parties. Co. operates and maintains the majority of its power generation projects. Co. also partners with providers in the independent power industry to operate and maintain its other projects, including CMS Energy Corporation, Heorot Power Management LLC and Purenergy LLC.

AT Historical Closing Prices
Date	Close
05/10/2021	$3.02
05/11/2021	$3.03
05/12/2021	$3.02
05/13/2021	$3.02
05/14/2021	$3.02

Utilities Historical Prices

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